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Efficacy of a novel channel-cleaning ball brush for endoscope reprocessing: a randomized controlled trial
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Kwang Hyun Chung, Jeong Don Chae, Wonho Choe, Hyo Young Lee, Il Hwan Oh, Byoung Kwan Son
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Clin Endosc 2022;55(5):674-682. Published online August 2, 2022
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DOI: https://doi.org/10.5946/ce.2021.210
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 Abstract
 PDF Supplementary Material PubReader ePub
- Background
/Aims: Endoscopic channels are difficult to clean and can cause infection transmission. We examined the effectiveness of a newly developed channel-cleaning ball brush (BB), which is sucked into the endoscopic channel and scrapes and cleans the lumen as it passes through.
Methods
The upper and lower gastrointestinal endoscopes used for patient examinations were randomly selected as the conventional brush (CB) or BB group. After manual cleaning, the presence or absence of carbohydrates, proteins, adenosine triphosphate, and hemoglobin was assessed.
Results
Fifty-six and 58 endoscopes were cleaned with the CB and BB, respectively. Carbohydrate and protein were detected in one (1.8%) and two endoscopes (3.4%) in the CB and BB groups, respectively (p=1.000). Hemoglobin was observed in one (1.8%) and three endoscopes (5.2%) in the CB and BB groups, respectively (p=0.636). The adenosine triphosphate levels were 10.6±15.9 and 12.5±14.3 relative light units in the CB and BB groups, respectively (p=0.496). Twenty-seven (48.2%) and 19 (32.8%) endoscopes were positive for microbial cultures in the CB and BB groups, respectively (p=0.136).
Conclusions
The efficacy of BB was not significantly different from that of CB in the endoscopic channel-cleaning process.
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Citations
Citations to this article as recorded by  - An investigation into cleaning quality of suction-type metal lumen instruments: a cross-sectional study
Yuqi Wu, Li Li
Scientific Reports.2025;[Epub] CrossRef - A prospective, quasi-experimental study on the efficacy of a novel double-headed endoscope cleaning brush for cleaning flexible endoscopes
Rui Shen, Yaping Wu, Jiajun Lv, Qukai Liu, Weiyan Yao, Shu Chen, Dandan Liu, Huijun Xi, Yibo Zhang
BMC Gastroenterology.2025;[Epub] CrossRef - Comparison of Brushing Efficacy for Gastroscopes Using Different Brush Types Under Simulated Contamination Conditions
Jinying LI, Wenqian HU, Chenying ZHOU, Yuxin GE, Qing GU
Journal of Hospital Infection.2025;[Epub] CrossRef - Simulated-use evaluation of rapid ChannelCheck™ cleaning test for optimal detection of organic residues in flexible endoscope channels
K. Kulkarni, M. Gavette, M.J. Alfa
Journal of Hospital Infection.2024; 152: 66. CrossRef
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4,432
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Multidisciplinary and Multisociety Practice Guideline on Reprocessing Flexible Gastrointestinal Endoscopes and Endoscopic Accessories
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Dae Young Cheung, Byung Ik Jang, Sang Wook Kim, Jie-Hyun Kim, Hyung Keun Kim, Jeong Eun Shin, Won Jae Yoon, Yong Kang Lee, Kwang Hyun Chung, Soo-Jeong Cho, Hyun Phil Shin, Sun Young Cho, Woon Geon Shin, Kee Don Choi, Byung-Wook Kim, Joong Goo Kwon, Hee Chan Yang, Tae-Geun Gweon, Hyun Gun Kim, Dong-Won Ahn, Kwang Bum Cho, Sun Hee Kim, Kyong Hwa Hwang, Hee Hyuk Im
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Clin Endosc 2020;53(3):276-285. Published online May 29, 2020
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DOI: https://doi.org/10.5946/ce.2020.106
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Abstract
PDFPubReaderePub
- The area of endoscopic application has been continuously expanded since its introduction in the last century and the frequency of its use also increased stiffly in the last decades. Because gastrointestinal endoscopy is naturally exposed to diseased internal organs and contact with pathogenic materials, endoscopy mediated infection or disease transmission becomes a major concern in this field. Gastrointestinal endoscopy is not for single use and the proper reprocessing process is a critical factor for safe and reliable endoscopy procedures. What needed in these circumstances is a practical guideline for reprocessing the endoscope and its accessories which is feasible in the real clinical field to guarantee acceptable prevention of pathogen transmission. This guideline contains principles and instructions of the reprocessing procedure according to the step by step. And it newly includes general information and updated knowledge about endoscopy-mediated infection and disinfection. Multiple societies and working groups participated to revise; Korean Association for the Study of the Liver, the Korean Society of Infectious Diseases, Korean College of Helicobacter and Upper Gastrointestinal Research, the Korean Society of Gastroenterology, Korean Society of Gastrointestinal Cancer, Korean Association for the Study of Intestinal Diseases, Korean Pancreatobiliary Association, the Korean Society of Gastrointestinal Endoscopy Nurses and Associates and Korean Society of Gastrointestinal Endoscopy. Through this cooperation, we enhanced communication and established a better concordance. We still need more researches in this field and fill up the unproven area. And our guidelines will be renewed accordingly.
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Citations
Citations to this article as recorded by - A New Drying Method of Thermolabile Flexible Endoscope Channels by Laminar and Turbulent Airflow: A Prospective, Randomized-Controlled, Single-Center, Proof-of-Concept Trial
Florian A. Michael, Michael Jung, Mike Reimers, Clara Oschwald, Ulrike Mihm, Christoph Welsch, Dirk Walter, Fabian Finkelmeier, Johannes Masseli, Anita Pathil, Georg Dultz, Danuta Puhlmann, Laura Diaz-Martinez, Daniel Hack, Neelam Lingwal, Jörg Bojunga, V
American Journal of Gastroenterology.2025; 120(5): 1027. CrossRef - A prospective, quasi-experimental study on the efficacy of a novel double-headed endoscope cleaning brush for cleaning flexible endoscopes
Rui Shen, Yaping Wu, Jiajun Lv, Qukai Liu, Weiyan Yao, Shu Chen, Dandan Liu, Huijun Xi, Yibo Zhang
BMC Gastroenterology.2025;[Epub] CrossRef - Impact of Different Pressures on the Drying Time of Flexible Endoscopes
Wenqian Hu, Jinying Li, Chenying Zhou, Yuxin Ge, Qing Gu
Journal of Hospital Infection.2025;[Epub] CrossRef - Efficacy and safety of three-dimensional magnetically assisted capsule endoscopy for upper gastrointestinal and small bowel examination
Dong Jun Oh, Yea Je Lee, Sang Hoon Kim, Joowon Chung, Hyun Seok Lee, Ji Hyung Nam, Yun Jeong Lim, Thomas Lui Ka Luen
PLOS ONE.2024; 19(5): e0295774. CrossRef - EUS-Guided Vascular Interventions: Recent Advances
Sahib Singh, Saurabh Chandan, Sumant Inamdar, Kambiz S. Kadkhodayan, Jahnvi Dhar, Jayanta Samanta, Antonio Facciorusso
Journal of Clinical Medicine.2024; 13(16): 4835. CrossRef - Endoscope Cleaning and Disinfection Guidelines for Primary Care Physicians
Yoo-Bin Seo, Seung Hee Kim, Eon Sook Lee, Seung Jin Jung, Sang Keun Hahm
Korean Journal of Family Practice.2024; 14(4): 165. CrossRef - Current status of the gastric cancer screening program in Korea
Young-Il Kim, Il Ju Choi
Journal of the Korean Medical Association.2022; 65(5): 250. CrossRef - Reducing the environmental footprint of gastrointestinal endoscopy: European Society of Gastrointestinal Endoscopy (ESGE) and European Society of Gastroenterology and Endoscopy Nurses and Associates (ESGENA) Position Statement
Enrique Rodríguez de Santiago, Mario Dinis-Ribeiro, Heiko Pohl, Deepak Agrawal, Marianna Arvanitakis, Robin Baddeley, Elzbieta Bak, Pradeep Bhandari, Michael Bretthauer, Patricia Burga, Leigh Donnelly, Axel Eickhoff, Bu'Hussain Hayee, Michal F. Kaminski,
Endoscopy.2022; 54(08): 797. CrossRef - Current Evidence for a Paradigm Shift in Gastric Cancer Prevention From Endoscopic Screening toHelicobacter pyloriEradication in Korea
Young-Il Kim, Il Ju Choi
Journal of Gastric Cancer.2022; 22(3): 169. CrossRef - General guideline in the endoscopy room to avoid air-borne infection during the COVID-19 pandemic
Kwang Hyun Chung, Soo-Jeong Cho
Clinical Endoscopy.2022; 55(5): 688. CrossRef - Efficacy of a novel channel-cleaning ball brush for endoscope reprocessing: a randomized controlled trial
Kwang Hyun Chung, Jeong Don Chae, Wonho Choe, Hyo Young Lee, Il Hwan Oh, Byoung Kwan Son
Clinical Endoscopy.2022; 55(5): 674. CrossRef - Endoscopes that Complete Pre-Cleaning may be Stored Overnight until Next Morning for the Subsequent Reprocessing
Soo-Jeong Cho
Clinical Endoscopy.2021; 54(4): 449. CrossRef - Accreditation program for gastrointestinal endoscopes reprocessing in Italy: An on-site survey
Giancarlo Spinzi, Angelo Milano, Piero Brosolo, Paola Da Massa Carrara, Maurizio Labardi, Alberto Merighi, Luisa Riccardi, Francesco Torresan, Maurizio Capelli
Endoscopy International Open.2021; 09(11): E1627. CrossRef - Sans Standardization: Effective Endoscope Reprocessing
Sameer K. Avasarala, Lawrence F. Muscarella, Atul C. Mehta
Respiration.2021; 100(12): 1208. CrossRef
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11,054
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363
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14
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What is the Best Sampling Method to Monitor the Effect of Endoscopy Reprocessing?
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Kwang Hyun Chung, Byung Ik Jang
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Clin Endosc 2018;51(5):397-398. Published online September 21, 2018
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DOI: https://doi.org/10.5946/ce.2018.146
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PDFPubReaderePub
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Citations
Citations to this article as recorded by - A prospective, quasi-experimental study on the efficacy of a novel double-headed endoscope cleaning brush for cleaning flexible endoscopes
Rui Shen, Yaping Wu, Jiajun Lv, Qukai Liu, Weiyan Yao, Shu Chen, Dandan Liu, Huijun Xi, Yibo Zhang
BMC Gastroenterology.2025;[Epub] CrossRef
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4,459
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100
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1
Web of Science
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1
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Pancreatic Pseudocyst after Endoscopic Ultrasound-Guided Fine Needle Aspiration of Pancreatic Mass
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Kwang Hyun Chung, Ji Kon Ryu, Hong Sang Oh, Ji Yeon Seo, Eunhyo Jin, Dong Hyeon Lee, Yong-Tae Kim, Yong Bum Yoon
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Clin Endosc 2012;45(4):431-434. Published online November 30, 2012
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DOI: https://doi.org/10.5946/ce.2012.45.4.431
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Abstract
PDFPubReaderePub
Endoscopic ultrasound-guided fine needle aspiration (EUS-FNA) is well known as a safe diagnostic procedure. We report the first case of pancreatic pseudocyst after EUS-FNA of the pancreatic body mass. A 60-year-old male underwent EUS-FNA for incidentally detected pancreatic solid mass which was suspected as neuroendocrine tumor. Two weeks later, the patient visited emergency room with acute abdominal pain and right upper quadrant tenderness; leukocytosis and elevated C-reactive protein, amylase, and lipase levels were noted. Computed tomography discovered newly developed 11.5×9.5 cm sized cystic mass communicating with the main pancreatic duct. Cyst fluid analysis revealed amylase level of 3,423 U/L and fluid culture isolated Streptococcus parasanguinis. The cystic mass corresponds with pancreatic pseudocyst. FNA induced main pancreatic duct injury and fluid leakage may cause it. Endoscopists who perform EUS-FNA must remember that pancreatic main duct injury can occur as one of severe complications and that it could be treated successfully with endoscopic internal drainage. -
Citations
Citations to this article as recorded by - Pancreatic Pseudocyst after Fully Covered Self-expandable Metallic Stent Placement
Mitsuhito Koizumi, Sho Ishikawa, Kaori Marui, Masahito Kokubu, Yusuke Okujima, Yuki Numata, Yoshiki Imamura, Teru Kumagi, Yoichi Hiasa
Internal Medicine.2024; 63(21): 2943. CrossRef - Needle tract seeding and abscess associated with pancreatic fistula after endoscopic ultrasound-guided fine-needle aspiration
Takeshi Okamoto, Kenji Nakamura, Ayaka Takasu, Toshimi Kaido, Katsuyuki Fukuda
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Tsuyoshi Suda, Kazuya Kitamura, Shuichi Kaneko
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Hiroyuki Matsubayashi
World Journal of Gastroenterology.2016; 22(2): 628. CrossRef - A Patient with a Wedge-shaped Pulmonary Lesion Associated with Streptococcus parasanguinis
Hiroya MIYAMOTO, Harumi GOMI, Haruhiko ISHIOKA, taijiro SHIROKAWA
Kansenshogaku Zasshi.2016; 90(3): 316. CrossRef - Immunodepletion Plasma Proteomics by TripleTOF 5600 and Orbitrap Elite/LTQ-Orbitrap Velos/Q Exactive Mass Spectrometers
Kelly A. Jones, Phillip D. Kim, Bhavinkumar B. Patel, Steven G. Kelsen, Alan Braverman, Derrick J. Swinton, Philip R. Gafken, Lisa A. Jones, William S. Lane, John M. Neveu, Hon-Chiu E. Leung, Scott A. Shaffer, John D. Leszyk, Bruce A. Stanley, Todd E. Fox
Journal of Proteome Research.2013; 12(10): 4351. CrossRef
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